05:04 PM EDT, 05/08/2025 (MT Newswires) -- Illumina ( ILMN ) reported Q1 non-GAAP earnings late Thursday of $0.97 per diluted share, down from $0.98 a year earlier.

Analysts polled by FactSet expected $0.93.

Revenue in the three months ended March 30 was $1.04 billion, down from $1.08 billion a year earlier. Analysts expected $1.02 billion.

Citing impact from tariffs, the company reduced its fiscal year 2025 non-GAAP diluted EPS guidance to $4.20 to $4.30 from its March guidance of approximately $4.50. Analysts are looking for $4.45.

The company expects fiscal year 2025 core Illumina ( ILMN ) revenue to decline between 1% and 3% on a constant currency basis year over year, down from low single digit growth previously.

Shares were down more than 3% in recent after-hours activity.